Search a number
-
+
145015345200 = 2435211107102673
BaseRepresentation
bin1000011100001110010…
…1101001000000110000
3111212022100221210222010
42013003211221000300
54333442412021300
6150341422042520
713322421044655
oct2070345510060
9455270853863
10145015345200
1156556422230
1224131419440
13108a096438b
147039765c2c
153b8b1a9a50
hex21c3969030

145015345200 has 240 divisors, whose sum is σ = 511503797376. Its totient is φ = 34826342400.

The previous prime is 145015345177. The next prime is 145015345247. The reversal of 145015345200 is 2543510541.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1361064 + ... + 1463736.

Almost surely, 2145015345200 is an apocalyptic number.

145015345200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145015345200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255751898688).

145015345200 is an abundant number, since it is smaller than the sum of its proper divisors (366488452176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145015345200 is a wasteful number, since it uses less digits than its factorization.

145015345200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102812 (or 102801 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 145015345200 its reverse (2543510541), we get a palindrome (147558855741).

The spelling of 145015345200 in words is "one hundred forty-five billion, fifteen million, three hundred forty-five thousand, two hundred".